What does it mean to be a moral?

Answer 1

Moral vs. immoral immediately calls to mind amoral as well. Very roughly:

Moral actions are those that are good in themselves, have good effects or reflect a good virtue in the individual taking the action.

Immoral actions are the opposite, they are bad in themselves, have bad effects or reflect a character flaw.

Amoral actions are those that are neither good nor bad, a common example is the actions of a 2-year-old child. They are neither good nor bad as the child is not developed enough mentally to be morally responsible for their actions.

Answer 2

I think you're asking "What is Immoral?" If so, morals are rules a society as a whole chooses and agrees to live by, so anyone, anything, or practice, that breaks down that social structure would be considered immoral. If you have rules in your heart you've chosen to live by and you go against those rules that could also be considered to be immoral, but only by you, or God, in the latter case.

Answer 3

When someone is amoral, they don't have strong leanings toward either morality or immorality. They lack a moral sense/compass.